31311122013301 has 16 divisors (see below), whose sum is σ = 34385142785728. Its totient is φ = 28336257734400.

The previous prime is 31311122013277. The next prime is 31311122013329. The reversal of 31311122013301 is 10331022111313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31311122013301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31311122013701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85002180 + ... + 85369741.

It is an arithmetic number, because the mean of its divisors is an integer number (2149071424108).

Almost surely, 2^{31311122013301} is an apocalyptic number.

It is an amenable number.

31311122013301 is a deficient number, since it is larger than the sum of its proper divisors (3074020772427).

31311122013301 is a wasteful number, since it uses less digits than its factorization.

31311122013301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170372212.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31311122013301 its reverse (10331022111313), we get a palindrome (41642144124614).

The spelling of 31311122013301 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-two million, thirteen thousand, three hundred one".